How Could i rearrange textboxes which are named as array index - javascript

i am working on a project in which i have to render rows dynamically . but user could also delete that row have a look at my current working
JQuery
var counter = 1;
function addrow() {
var textbox = "<div id='rows" + counter + "'> </br><label> Option : </label><input type='text' name='Answers[" + counter + "]' class='ahsan required' />Remove</div>";
var form = $("#form").valid();
if (form) {
$("#TextBoxesGroup").append(textbox);
counter++;
}
else {
return false;
}
}
html
<div id="TextBoxesGroup" style="margin-left: 100px;">
<div id="rows0">
</br><label>
Option :
</label>
<input type='text' name='Answers[0]' class='ahsan required' />Remove
</div>
</div>
<div>
<input type="button" value="Add another row" onclick="addrow();" class="qa-adbtn" id='addButton' /></div>
Now , if i have 10 rows there names will be Answers[0,1,2,3,4,5] . I want to remove input when i click on remove anchor and also reoder all textbox's name
For Example if i remove input at 4th index then all textbox automatically get re arranged . Can i Do it Please Help me and Thanks in Advance

You can make it without counter. This way your answers will be always ordered in the array starting by zero.
Here's a plausible solution:
$(function(){
$("#form").validate();
this.addrow = function() {
if ($("#form").valid()) {
var textbox = "<div> </br><label> Option : </label><input type='text' name='Answers["+$("#TextBoxesGroup div").length+"]' class='ahsan required' /><a class='remove-me' href='#'>Remove</a></div>";
$("#TextBoxesGroup").append(textbox);
$('.remove-me').click(function(){
$(this).parent().remove();
return false;
});
}
else {
return false;
}
}
this.addrow();
});
and the html is simple like this:
<form id="form">
<div id="TextBoxesGroup" style="margin-left: 100px;"></div>
<div>
<input type="button" value="Add another row" onclick="addrow();" class="qa-adbtn" id='addButton' />
</div>
</form>

Related

Input field validated only for first input field and not able to remove input field

I had created Ul which add the student input field with value and user can remove the field as well,Initially I am comparing student field value with each input field which are created to avoid duplication but it works only for first input field value not for others I used loop as well but its not working and not able to remove one input field at a time.
Here is my fiddle code
$('#addBtn').click(function () {
var studentArray = $(".students").text();
var i=" " ;
console.log(studentArray);
var studentSplitResult = studentArray.split('Remove');
console.log(studentSplitResult);
for (var i = 0; i < studentSplitResult.length; i++) {
if ($("#selectStd").val() !== $(".students").val()) {
$(".stdList").show();
var input_value = $('#selectStd').val();
$('ul').append('<input class="students" value="' + input_value + '">Remove</input>');
console.log($(".students").val());
// console.log(studentSplitResult[i]);
};
return false;
}
});
//prevent default action
$(document).on('click', 'a', function (e) {
e.preventDefault();
$(this).parent().remove();
});
You can simplify your code like below.
Just check any text input has the new value before adding using filter. It will also handle case insensitivity (remove if required).
Also while removing consider the removing the text input only.
Added e.preventDefault() to restrict the form posting. change or remove it as per requirement.
$('#addBtn').click(function(e) {
e.preventDefault();
var input_value = $("#selectStd").val();
var isValid = $('input.students').filter(function() {
return this.value.toLowerCase() == input_value.toLowerCase();
}).length <= 0;
if (isValid) {
$('ul').append('<input class="students" value="' + input_value + '">Remove</input>');
} else {
alert('Duplicate');
}
});
//prevent default action
$(document).on('click', 'a.deleteStd', function(e) {
e.preventDefault();
$(this).prev('.students').remove();
$(this).remove();
});
<body>
<script
src="https://code.jquery.com/jquery-3.2.1.min.js"
integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4="
crossorigin="anonymous"></script>
<div class="panel panel-body" style=" width:422px;border: 1px solid #00A4CC;">
<div id="errorLabel"></div>
<div id="parentType">
<form id="parentForm" name="parentForm">
<table style="margin-left: 8px;">
<tr>
<th>Select Student</th>
<td><input class="form-control" id="selectStd" placeholder="Please select students"></td>
<td><button id="addBtn" class="btn btn-default" style="margin-left: 17px;">Add</button></td>
</tr>
</table>
<ul class="stdList">
<label>Selected Students:</label><br>
<br>
</ul>
<table>
</table>
</form>
</div>
</div>
</div>
</body>
I have encountered two issues: input validation itself (your question) and the removal of the element when you click on the anchor element.
For input validation, I have rewritten it a bit. What I did is
1. Obtain new student value
2. Check if not empty by if(newStudent). If it's empty, nothing happens
3. obtain other inputs
4. match the new input against the values inside other inputs
4a. if match, don't add it.
4b. if no match, add it
For removing the element, You need to revise your HTML. It's not so correct. I have wrapped it around with a <section> element to have a save removal and corrected the HTML use.
A side note, you may also reconsider this
$(document).on('click', 'a', function(e) {
e.preventDefault();
$(this).parent().remove();
});
If your HTML page has multiple anchor (<a>) elements, this function is used too on another anchor elements. If you click on these, it will remove these from the page upon click. If you don't want it, please revise the above function.
$('#addBtn').click(function(e) {
// obtain new student value
var newStudent = $('#selectStd').val();
// check if it is not empty
if (newStudent) {
// obtain other names and check if there is no match
var studentArray = $(".students");
var hasMatch = false;
studentArray.each(function(i, el) {
if (el.value === newStudent) {
hasMatch = true;
return; // stopping loop
}
});
// if there is no match, add student
if (!hasMatch) {
$('ul.stdList').append('<section><input class="students" value="' + newStudent + '" />Remove</section>');
}
}
return false;
});
//prevent default action
$(document).on('click', 'a', function(e) {
e.preventDefault();
$(this).parent().remove();
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="panel panel-body" style=" width:422px;border: 1px solid #00A4CC;">
<div id="errorLabel"></div>
<div id="parentType">
<form id="parentForm" name="parentForm">
<table style="margin-left: 8px;">
<tr>
<th>Select Student</th>
<td>
<input class="form-control" id="selectStd" placeholder="Please select students">
</td>
<td>
<button id="addBtn" class="btn btn-default" style="margin-left: 17px;">Add</button>
</td>
</tr>
</table>
<ul class="stdList">
<label>Selected Students:</label>
<br>
<br>
</ul>
</form>
</div>
</div>
When adding you try this:
$('ul').append('<input class="students" value="' + input_value + '">Remove</input>');
Unfortunately this will not result in what you expect. The anchor will be adding by your browser next to the input not nested. Like this:
<input class="students" value="thevalue" />
<a href class="deleteStd">Remove</a>
So if you do this afterwards for removing $(this).parent().remove(); you will remove the entire container.
What you need to do is this:
$('ul').append('<div><input class="students" value="' + input_value + '" />Remove</div>');
This will work. I have updated your fiddle: https://jsfiddle.net/Lojdfyhn/1/
So based on your requirements, try this below code:
Student names can't be duplicate
And on removing, all names shouldn't removed.
While adding, code checks if the student name exists. If yes, it throws an error/alert.
$('#addBtn').click(function() {
var valueToCheck = $("#selectStd").val();
var flag = true;
$(".students").each(function() {
if ($(this).val() === valueToCheck) {
flag = false;
}
});
if (flag) {
$('ul').append('<span class="addedStudent"><input class="students" value="' + valueToCheck + '" />Remove</span>');
} else {
alert(valueToCheck + " already exists.");
}
return false;
});
//prevent default action
$(document).on('click', 'a.deleteStd', function(e) {
e.preventDefault();
$(this).parents(".addedStudent:first").remove();
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="panel panel-body" style=" width:422px;border: 1px solid #00A4CC;">
<div id="errorLabel"></div>
<div id="parentType">
<form id="parentForm" name="parentForm">
<table style="margin-left: 8px;">
<tr>
<th>Select Student</th>
<td><input class="form-control" id="selectStd" placeholder="Please select students"></td>
<td><button id="addBtn" class="btn btn-default" style="margin-left: 17px;">Add</button></td>
</tr>
</table>
<ul class="stdList">
<label>Selected Students:</label><br>
<br>
</ul>
<table>
</table>
</form>
</div>
</div>
You are trying to delete the parent element of anchor tag.
Just update your code like this
$('ul').append('<div><input class="students" value="' + input_value + '">Remove</input></div>');
then clicking on anchor will delete the parent of anchor element.
Hello first of all you need to get a good understanding of the DOM traversing, which can really help you to organise the students that you are adding to the list, and removing.
Here a simple solution can be implemented as follows.
First encapsulate all the students in a div tag with 'students' class name, and in that div, place the student text field with 'stdname' class and the anchor tag to help in removing the student details.
Now when traverse through all the students with 'stdname' class and check if there is a duplicate value.
Here is the code please check out.
and check on jsfiddle too.http://jsfiddle.net/naveen_namani/842bf5ke/1/
$('#addBtn').click(function () {
var student_list=document.querySelectorAll(".students .stdname");
var selectStd=document.getElementById("selectStd");
var duplicate=false;
for(var i=0;i<student_list.length;i++) {
if(student_list[i].value==selectStd.value) duplicate=true;
}
if(duplicate==false) {
$('ul').append('<div class="students"><input value="'+selectStd.value+'" class="stdname"/>Remove');
}
return false;
});
$(document).on('click', 'a', function (e) {
e.preventDefault();
$(this).parent().remove();
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="panel panel-body" style="width:422px;border:1px solid #00A4CC;">
<div id="errorLabel"></div>
<div id="parentType" >
<form id="parentForm" name="parentForm">
<table style="margin-left: 8px;">
<tr>
<th>Select Student</th>
<td>
<input class="form-control" id="selectStd" placeholder="Please select students">
</td>
<td>
<button id="addBtn" class="btn btn-default" style="margin-left: 17px;" >Add</button>
</td>
</tr>
</table>
<ul class="stdList">
<label>Selected Students:</label>
<br><br>
</ul>
<table ></table>
</form>
</div>
</div>

Issues with converting label to input field on button click

I have modified the answer in the post dicussed here.
In my application I have two buttons - edit and save. When clicked on edit, the labels get converted into input fields, where the user can edit the content and save.
Everything is working fine, but the problem is that when the user clicks on the edit button twice, the content in the input fields becomes blank, i.e. the <input> value becomes blank.
Please suggest me a fix for this. Where am I going wrong?
<div id="companyName">
<label class="text-cname"><b>#Html.DisplayFor(m => m.Company)</b></label>
</div>
<div class="row center-block">
<input type="submit" class="btn btn-success" value="Save" id="btnSave" />
<input type="button" id="edit" class="btn btn-primary" value="Edit" />
</div>
<script>
$(document).ready(function () {
$('#edit').click(function () {
// for company name
var companyName = $('.text-cname').text();
var lblCName = $('<input id="attrCName" type="text" value="' + companyName + '" />')
$('.text-cname').text('').append(lblCName);
lblCName.select();
});
$('#btnSave').click(function () {
var text = $('#attrCName').val();
$('#attrCName').parent().text(text);
$('#attrCName').remove();
});
});
</script>
You can use replaceWith() method to convert label to textarea.
$("#edit").click(function(){
var text = $("label").text();
$("label").replaceWith("<input value='"+text+"' />");
});
$("#save").click(function(){
var text = $("input ").val();
$("input ").replaceWith("<label>"+text+"</label>");
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button id="edit">Edit</button>
<button id="save">Save</button>
<br/><br/>
<label>Text</label>
The most simple fix would be to disable the edit button once you've clicked it, and enable it again after saving:
$(document).ready(function () {
$('#edit').click(function () {
$(this).prop('disabled', true);
/*for company name*/
var companyName = $('.text-cname').text();
var lblCName = $('<input id="attrCName" type="text" value="' + companyName + '" />')
$('.text-cname').text('').append(lblCName);
lblCName.select();
});
$('#btnSave').click(function () {
$('#edit').prop('disabled', false);
var text = $('#attrCName').val();
$('#attrCName').parent().text(text);
$('#attrCName').remove();
});
});
When you click the second time the value of companyName is empty, that's why the <input> value becomes blank. This is a very simple solution, but you lose the focus on edit box which is easy to fix.
$('#edit').click(function () {
/*for company name*/
var companyName = $('.text-cname').text();
var lblCName = $('<input id="attrCName" type="text" value="' + companyName + '" />');
if(companyName != "")
$('.text-cname').text('').append(lblCName);
lblCName.select();
});
Try This one
function EditContent(){
var companyName = $('.text-cname').text();
var lblCName = $('<input id="attrCName" type="text" value="' + companyName + '" />');
if (companyName != "") {
$('.text-cname').text('').append(lblCName);
}
lblCName.select();
}
function SaveContent(){
var text = $('#attrCName').val();
$('#attrCName').parent().text(text);
$('#attrCName').remove();
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div id="companyName">
<label class="text-cname"><b>Company</b></label>
</div>
<div class="row center-block">
<input type="submit" class="btn btn-success" value="Save" id="btnSave" onclick="SaveContent()" />
<input type="button" id="edit" class="btn btn-primary" value="Edit" onclick="EditContent()" />
</div>

create div dynamically by passing css id and class to jquery method

I have div which needs to be repeated(create dynamically) on a button click.i have a working code,but it needs to be used many places across pages so i would like to make it a generic one,like i need to pass only particular div id as an input parameter to that method.
function textbox_add(id){
console.log(id)
var counter = 0;
$('#'+id).on('click','.newField', function () {
console.log(counter);
if(counter >= 3){
alert("Reached Maximum");
return false
}
var newthing=$('div.addNew:first').clone().find('.newField').removeClass('newField').addClass('remove').val('Remove Field!').end();
$('#'+id).append(newthing);
counter++;
});
$('#'+id).on('click','.remove', function () {
if (counter == 0)
{
return false
}
$(this).parent().remove();
counter--;
});
}
if i use it outside the method it works perfect.The goal is to create 4 text boxes dynamically and if i remove it should remove one by one.
here is my fiddle
Demo
Issues facing when i place inside method are:
On first click it creates single div on second click it creates two div's then continues for further click's.
On clicking remove it works like create.
when i click new again it creates the total of removed,created(earlier) all the div's.
I am not able to find where am missing.
I am not too sure what you are trying to do with the id (I assume it is your div id) that you are adding but you can try replacing your counter with a count of the elements:
function textbox_add(id){
$('#'+id).on('click','.newField', function () {
if($("#" + id + " > .addNew").length >= 4){
alert("Reached Maximum");
return false
}
var newthing=$('div.addNew:first').clone().find('.newField').removeClass('newField').addClass('remove').val('Remove Field!').end();
$('#'+id).append(newthing);
});
$('#'+id).on('click','.remove', function () {
if ($("#" + id + " > .addNew").length == 1)
{
return false
}
$(this).parent().remove();
});
}
textbox_add('test');
working Fiddle
OP basically wants an onclick(html) on the add button, like:
function textbox_add(id) {
if ($("#" + id + " > .addNew").length >= 4) {
alert("Reached Maximum");
return false;
}
var newthing = $('#'+id+' .addNew:first').clone().find('.newField').removeClass('newField').addClass('remove').val('Remove Field!').attr('onclick','').end();
$('#' + id).append(newthing);
$("#" + id + " > .addNew").on('click', '.remove', function () {
if ($("#" + id + " > .addNew").length === 1) {
return false;
}
$(this).parent().remove();
});
}
working codePen
It works fine, fiddle
You need to pass a wrapper id since you're cloning the .addNew content.
Example:
<div class="container" id="test">
<div class="addNew">
<input type="text" name="input_1[]" class="input_1" value="Here goes your stuff" />
JS
textbox_add('test');
Your code was actually working well when you use id as selector, but worked wrong (adding multiple times new inputs for example) when you were using class as selector (because multiple elements share the same class).
I have edited it so you can use with id and class selectors:
HTML
<div class="container">
<div class="addNew">
<input type="text" name="input_1[]" class="input_1" value="Here goes your stuff" />
<input type="button" class="newField" value="New Field For Stuff" />
<br />
<br />
</div>
</div>
<div class="container">
<div class="addNew">
<input type="text" name="input_1[]" class="input_1" value="Here goes your stuff" />
<input type="button" class="newField" value="New Field For Stuff" />
<br />
<br />
</div>
</div>
<div id="other_container">
<div class="addNew">
<input type="text" name="input_1[]" class="input_1" value="Here goes your stuff" />
<input type="button" class="newField" value="New Field For Stuff" />
<br />
<br />
</div>
</div>
JS
function textbox_add(selector){
console.log(selector);
var max_allowed = 3;
$(selector).on('click','.newField', function () {
console.log($(this).parents(selector).find(".addNew").length);
if($(this).parents(selector).find(".addNew").length > max_allowed){
alert("Reached Maximum");
return false
}
var newthing=$('div.addNew:first').clone().find('.newField').removeClass('newField').addClass('remove').val('Remove Field!').end();
console.log($(this).parents(selector));
$(this).parents(selector).append(newthing);
});
$(selector).on('click','.remove', function () {
if (!$(this).parents(selector).find(".addNew").length > 1){
return false
}
$(this).parent().remove();
});
}
textbox_add(".container");
textbox_add("#other_container");
And here is the working JSFiddle.
I think that this is not the correct way to approach the problem, but the OP really wants to do it this way.
HTML
<div class="container">
<div class="addNew">
<input type="text" name="input_1[]" class="input_1" value="Here goes your stuff" />
<input type="button" class="newField" value="New Field For Stuff" onClick="textbox_add(this)" />
<br />
<br />
</div>
</div>
<div class="container">
<div class="addNew">
<input type="text" name="input_1[]" class="input_1" value="Here goes your stuff" />
<input type="button" class="newField" value="New Field For Stuff" onClick="textbox_add(this)"/>
<br />
<br />
</div>
</div>
JS
function textbox_add(element){
var max_allowed = 3;
if($(element).parents(".container").find(".addNew").length > max_allowed){
alert("Reached Maximum");
return false
}
var newthing = $('div.addNew:first').clone().find('.newField').removeClass('newField').addClass('remove').val('Remove Field!').attr('onclick','textbox_remove(this)').unbind('click').end();
$(element).parents(".container").append(newthing);
}
function textbox_remove(element){
if (!$(element).parents(".container").find(".addNew").length > 1){
return false
}
$(element).parent().remove();
}
Working JSFiddle
I think this might be what you are trying to do. The main thing I'm not sure of is what you intend to pass in as the id parameter. But tell me if this fills the bill.
http://jsfiddle.net/abalter/xdsacvdm/12/
html:
<div class="container">
<div class="addNew">
<input type="text" name="input_1[]" class="input_1" value="Here goes your stuff" />
<input type="button" class="newField" value="New Field For Stuff" />
<br />
<br />
</div>
</div>
JavaScript:
$('#createField').on('click', function () {
//alert('new field clicked');
var el = createField('some-id', $('#generator').val());
$('.container').append(el);
});
function createField(id, text) {
var numFields = $('.container').find('.added').length;
if (numFields>3)
{
alert("Maximum reached");
return false;
}
var $outerDiv = $('<div>').addClass('newOne').addClass('added').attr('id', id);
var $textBox = $('<input>').attr({'type': 'text','value': text});
var $button = $('<input>').attr({'type': 'button' , 'value': 'Remove Field!'});
$outerDiv.append($textBox);
$outerDiv.append($button).append('<br/>').append('<br/>');
$button.on('click', function(){
$(this).closest('div').remove();
});
return $outerDiv;
}

How to add a new textfield on clicking a button?

I'm trying to insert certain sentences to MySQL database using PHP. But the design of the field is such a way that it shows only one field and a [add] button to insert a new textfield. So depending on the user needs, the number of textfields varies.
<div class="row">
<h5>LEARNING GOALS</h5>
<div style="display:table; width:100%;">
<div style="display:table-row;">
<div style="display:table-cell;">
<input class="text-field" name="goal" type="text" placeholder="Goals*" style="width:100%">
</div>
<div style="display:table-cell; vertical-align:middle;width:65px;">
<input class="add-field-btn" type="button" value="+" style="width:65px;"></div>
</div>
</div>
</div>
How can I add a new textfiled and assign name value and when I click on the submit button, to save all the textfield values into the database?
<html>
<head>
<title>jQuery add / remove</title>
<script type="text/javascript" src="http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js"></script>
<style type="text/css">
div{
padding:8px;
}
</style>
</head>
<body>
<h1>jQuery add / remove </h1>
<script type="text/javascript">
$(document).ready(function(){
var counter = 2;
$("#addButton").click(function () {
if(counter>10){
alert("Only 10 textboxes allow");
return false;
}
var newTextBoxDiv = $(document.createElement('div'))
.attr("id", 'TextBoxDiv' + counter);
newTextBoxDiv.after().html('<label>Textbox #'+ counter + ' : </label>' +
'<input type="text" name="textbox' + counter +
'" id="textbox' + counter + '" value="" >');
newTextBoxDiv.appendTo("#TextBoxesGroup");
counter++;
});
$("#removeButton").click(function () {
if(counter==1){
alert("No more textbox to remove");
return false;
}
counter--;
$("#TextBoxDiv" + counter).remove();
});
$("#getButtonValue").click(function () {
var msg = '';
for(i=1; i<counter; i++){
msg += "\n Textbox #" + i + " : " + $('#textbox' + i).val();
}
alert(msg);
});
});
</script>
</head><body>
<div id='TextBoxesGroup'>
<div id="TextBoxDiv1">
<label>Textbox #1 : </label><input type='textbox' id='textbox1' >
</div>
</div>
<input type='button' value='Add Button' id='addButton'>
<input type='button' value='Remove Button' id='removeButton'>
<input type='button' value='Get TextBox Value' id='getButtonValue'>
</body>
</html>
First of all use your text field name as a array so when user will add new text field you can get all of them in just one post variable and you can store them in different row or as you want.
Now on click on you button append text field with same name as
your first field code:<input class="text-field" name="goal[]" type="text" placeholder="Goals*" style="width:100%">
Javascript code: $('#yourselector').append('<input class="text-field" name="goal[]" type="text" placeholder="Goals*" style="width:100%">');
It the server end you can get all the posted values in $_POST['goal'] which will be a array;
Demo Check this fiddle.
document.getElementById('#whereToAppend').append('<input type="text" name="WhateverYouwant"/>');
document.getElementsByTagName('body')[0].appendChild('<input type="text"/>');
If you want dynamic names, set a class name or id to the input. And make use of setAttribute in javascript to set the name
One solution would be to try and serialize all the inputs and save them to the database. You just send them by submitting the form then in PHP do something like:
$inputs = serialize($_GET); // $inputs = serialize($_POST);
mysql_query('INSERT INTO `table` SET inputs = "'.$inputs.'"'); // try to validate the variable before
This would be nice given the fact that you have variable number of fields.
When you select them use deserialize to recreate the data:
$r = mysql_query('SELECT inputs FROM `table`');
...
$data = deserialize($row['inputs']);
Another option would be to get all the inputs with JavaScript or jQuery and pass them via AJAX.
var _data = [];
$('input.text-field').each(function(i, e) {
_data.push($(e).val());
});
$.post('file.php', { d : JSON.stringify(_data)}, function(e){
alert(e);
})
PHP:
$d = json_decode($_POST['d']);
foreach($d as $k => $v) {
// value of the input no. $k is $v
}
You can use #Nickunj's jQuery code for appending the new input.

Save dynamically generated input fields

I am using this code to generate dynamically ADD More input fields and then plan on using Save button to save their values in database. The challenge is that on Save button, I want to keep displaying the User Generated Input fields. However they are being refreshed on Save button clicked.
javascript:
<script type="text/javascript">
var rowNum = 0;
function addRow(frm) {
rowNum++;
var row = '<p id="rowNum' + rowNum + '">Item quantity: <input type="text" name="qty[]" size="4" value="' + frm.add_qty.value + '"> Item name: <input type="text" name="name[]" value="' + frm.add_name.value + '"> <input type="button" value="Remove" onclick="removeRow(' + rowNum + ');"></p>';
jQuery('#itemRows').append(row);
frm.add_qty.value = '';
frm.add_name.value = '';
}
function removeRow(rnum) {
jQuery('#rowNum' + rnum).remove();
}
</script>
HTML:
<form method="post">
<div id="itemRows">Item quantity:
<input type="text" name="add_qty" size="4" />Item name:
<input type="text" name="add_name" />
<input onclick="addRow(this.form);" type="button" value="Add row" />
</div>
<p>
<button id="_save">Save by grabbing html</button>
<br>
</p>
</form>
One approach is to define a template to add it dynamically via jQuery
Template
<script type="text/html" id="form_tpl">
<div class = "control-group" >
<label class = "control-label"for = 'emp_name' > Employer Name </label>
<div class="controls">
<input type="text" name="work_emp_name[<%= element.i %>]" class="work_emp_name"
value="" />
</div>
</div>
Button click event
$("form").on("click", ".add_employer", function (e) {
e.preventDefault();
var tplData = {
i: counter
};
$("#word_exp_area").append(tpl(tplData));
counter += 1;
});
The main thing is to call e.preventDefault(); to prevent the page from reload.
You might want to check this working example
http://jsfiddle.net/hatemalimam/EpM7W/
along with what Hatem Alimam wrote,
have your form call an upate.php file, targeting an iframe of 1px.

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